2-Chloro-1H-imidazole

2-氯-1H-咪唑

Also known as: 2-Chloroimidazole, 1H-Imidazole, 2-chloro-, 2-Chloro-1H-imidazole 97%

2-Chloro-1H-imidazole (CAS 16265-04-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3ClN2 and a molecular weight of 102.522 g/mol. It is also known as 2-Chloroimidazole, 1H-Imidazole, 2-chloro- and 2-Chloro-1H-imidazole 97%. Key properties include a melting point of 165-170ºC, a boiling point of 252.7±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 131.1±8.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16265-04-6
Jingsj CID
J-40692-1
Molecular Formula
C3H3ClN2
Chinese Name
2-氯-1H-咪唑
Molecular Weight
102.522 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point165-170ºC
Boiling Point252.7±23.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point131.1±8.2 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Chloro-1H-imidazole?

The CAS number of 2-Chloro-1H-imidazole is 16265-04-6.

What are the molecular formula and molecular weight of 2-Chloro-1H-imidazole?

2-Chloro-1H-imidazole has molecular formula C3H3ClN2 and molecular weight 102.522 g/mol.

Is 2-Chloro-1H-imidazole hazardous?

2-Chloro-1H-imidazole has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Chloro-1H-imidazole (CAS 16265-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40692-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.